In vitro: Natural Compounds (Thymol, Carvacrol, Hesperidine, And Thymoquinone) Against Sars-Cov2 Strain Isolated From Egyptian Patients
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Abstract
The current pandemic of the coronavirus disease-2019 (COVID-19) has badly affected our life during the year 2020. SARS-CoV-2 is the primary causative agent of the newly emerged pandemic. Natural flavonoids, Terpenoid and Thymoquinone are tested against different viral and host-cell protein targets. These natural compounds have a good history in treating Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV). Molecular docking combined with cytotoxicity and plaque reduction assay is used to test the natural compounds against different viral (Spike, RdRp, and M pro ) and host-cell (TMPRSS II, keap 1, and ACE2) targets. The results demonstrate the binding possibility of the natural compounds (Thymol, Carvacrol, Hesperidine, and Thymoquinone) to the viral main protease (M pro ). Some of these natural compounds were approved to start clinical trail from Egypt Center for Research and Regenerative Medicine ECRRM IRB (Certificate No.IRB00012517)
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SciScore for 10.1101/2020.11.07.367649: (What is this?)
Please note, not all rigor criteria are appropriate for all manuscripts.
Table 1: Rigor
Institutional Review Board Statement not detected. Randomization not detected. Blinding not detected. Power Analysis not detected. Sex as a biological variable not detected. Cell Line Authentication not detected. Table 2: Resources
Experimental Models: Cell Lines Sentences Resources B) Plaque reduction assay: Assay was carried out according to the method of 37 in a six well plate where Vero E6 cells (105 cells / ml) were cultivated for 24 hrs at 37°C. Vero E6suggested: NoneSoftware and Algorithms Sentences Resources In silico testing: Before performing the docking studies, the tested compounds are retrieved from the PubChem database and then prepared using PyMOL software 22,23. PubChemsuggested: (PubChem, RRID:SCR_0042…SciScore for 10.1101/2020.11.07.367649: (What is this?)
Please note, not all rigor criteria are appropriate for all manuscripts.
Table 1: Rigor
Institutional Review Board Statement not detected. Randomization not detected. Blinding not detected. Power Analysis not detected. Sex as a biological variable not detected. Cell Line Authentication not detected. Table 2: Resources
Experimental Models: Cell Lines Sentences Resources B) Plaque reduction assay: Assay was carried out according to the method of 37 in a six well plate where Vero E6 cells (105 cells / ml) were cultivated for 24 hrs at 37°C. Vero E6suggested: NoneSoftware and Algorithms Sentences Resources In silico testing: Before performing the docking studies, the tested compounds are retrieved from the PubChem database and then prepared using PyMOL software 22,23. PubChemsuggested: (PubChem, RRID:SCR_004284)The docking experiments are performed utilizing Autodock Vina software in triplicates to have a clear depiction of the mode of action of compounds against their protein targets 26. Autodock Vinasuggested: (AutoDock Vina, RRID:SCR_011958)PyMOL software was used to represent and analyze the docking complexes. PyMOLsuggested: (PyMOL, RRID:SCR_000305)Statistical analysis: Analysis was performed using Graphpad Prism 8.0.2. Graphpad Prismsuggested: (GraphPad Prism, RRID:SCR_002798)Results from OddPub: We did not detect open data. We also did not detect open code. Researchers are encouraged to share open data when possible (see Nature blog).
Results from LimitationRecognizer: An explicit section about the limitations of the techniques employed in this study was not found. We encourage authors to address study limitations.Results from TrialIdentifier: No clinical trial numbers were referenced.
Results from Barzooka: We found bar graphs of continuous data. We recommend replacing bar graphs with more informative graphics, as many different datasets can lead to the same bar graph. The actual data may suggest different conclusions from the summary statistics. For more information, please see Weissgerber et al (2015).
Results from JetFighter: Please consider improving the rainbow (“jet”) colormap(s) used on page 8. At least one figure is not accessible to readers with colorblindness and/or is not true to the data, i.e. not perceptually uniform.
Results from rtransparent:- Thank you for including a conflict of interest statement. Authors are encouraged to include this statement when submitting to a journal.
- No funding statement was detected.
- No protocol registration statement was detected.
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